An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Fu S, Arráez-Román D, Menéndez JA, Segura-Carretero A, Fernández-Gutiérrez A.Fu S, et al.Rapid Commun Mass Spectrom. 2009 Jan;23(1):51-9. doi: 10.1002/rcm.3855.Rapid Commun Mass Spectrom. 2009.PMID: 19051225